White-crested tyrannulet

White-crested tyrannulet
at Piraju, São Paulo State, Brazil
Scientific classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Aves
Order: Passeriformes
Family: Tyrannidae
Genus: Serpophaga
Species:
S. subcristata
Binomial name
Serpophaga subcristata
(Vieillot, 1817)
Synonyms

The white-crested tyrannulet (Serpophaga subcristata) is a small species of bird in the family Tyrannidae, the tyrant flycatchers. It is found in Argentina, Bolivia, Brazil, Paraguay, and Uruguay.